Finding the Fourth Proportional to 142,388.38, 213,625.45 and 42,551.83

Step by Step Solution

1. Step 1: Write the proportion equation
   142,388.38 : 213,625.45 = 42,551.83 : x
2. Step 2: Convert to fraction form
   142,388.38/213,625.45 = 42,551.83/x
3. Step 3: Cross multiply
   142,388.38x = 213,625.45 × 42,551.83
4. Step 4: Simplify right side
   142,388.38x = 9,090,154,152.30
5. Step 5: Solve for x
   x = 9,090,154,152.30/142,388.38
6. Step 6: Final answer
   x = 63,840.56